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He Bei GuangHao Pipe Fittings Co .,LTD (Cangzhou Sailing Steel Pipe Co., Ltd)

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HomeProductsIndustrial FlangeWeld Neck Flange

Weld Neck Flange (Total 5 Products)

Product categories of Weld Neck Flange, we are specialized manufacturers from China, Weld Neck Flange, RF Flange suppliers/factory, wholesale high-quality products of Weld Neck Pipe Flange R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
ASTM A694 Forged Flange

Brand: GH


Supply Ability: 100T/week

Name ASTM A694 Flanges F42 F46 F48 F50 F52 F56 F60 F65 F70 Production Size 1 2 120 Face RF raised face FF flat face RTJ ring type joint TG tongue and groove face MFF male and female face Standard ANSI ANSI B16 5 ANSI B16 47 ANSI B16 48 ANSI B16 36...
Nickel Alloy Forged Flange

Brand: GH


Supply Ability: 100T/week

Nickel alloy forged flange Alloy 200 Nickel 200 NO2200 2 4066 ASTM B366 WPN Alloy 201 Nickel 201 NO2201 2 4068 ASTM B366 WPNL Alloy 400 Monel 400 NO4400 NS111 2 4360 ASTM B366 WPNC Alloy K 500 Monel K 500 NO5500 2 475 Alloy 600
Semi Finished Forged flange

Brand: GH


Supply Ability: 100T/week

Semi Forging Size 1 2 24 Class Rating 150 2500 Facing RF raised face FF flat face RTJ ring type joint RJ ring joint face TG tongue and groove face MFM male and female face Manufacturing
ANSI B16.5 Carbon Steel WN RF flange

Brand: GH


Supply Ability: 100T/week

ANSI B16 5 Carbon Steel WN RF FF flange CARBON STEEL FOR FLANGES ASTM A105 A105N A350 LF1 LF2 CL1 CL2 LF3 CL1 CL2 A694 F42 F46 F48 F50 F52 F56 F60 F65 F70 A516 60 65
EN1092-1  Stainless Steel ForgedFlange

Brand: GH


Supply Ability: 100T/week

Material Carbon steel ASTM A105 ASTM A350 LF1 LF2 CL1 CL2 S235JRG2 P245GH P250GH P280GHM 16MN 20MN 20 Stainless steel ASTM A182 F304 304L F316 316L 1 4404 1 4571 Alloy steel ASTM A182 A182 F12 F11 F22 F5 F9 F91 etc Standard ANSI Class 150 Flanges...

China Weld Neck Flange Suppliers


ANSI B16.5,ANSI B16.47,ANSI B16.48, ANSI B16.36, MSS SP-44

EN1092-1 BS 4054


Size: 1/2''~60''

Class Rating: 150~2500

Facing: RF(raised face);FF(flat face);RTJ(ring type joint);RJ(ring joint face)

TG(tongue and groove face);MFM(male and female face)

Manufacturing process: Push, Press, Forge, Cast, etc.


Carbon steel:

ASTM A105;

ASTM A266 GR.1,GR.2,GR.3,GR.4

Stainless steel:

304/SUS304/UNS S30400/1.4301

304L/UNS S30403/1.4306;

304H/UNS S30409/1.4948;

309S/UNS S30908/1.4833

309H/UNS S30909;

310S/UNS S31008/1.4845;

310H/UNS S31009;

316/UNS S31600/1.4401;

316Ti/UNS S31635/1.4571;

316H/UNS S31609/1.4436;

316L/UNS S31603/1.4404;

316LN/UNS S31653;

317/UNS S31700;

317L/UNS S31703/1.4438;

321/UNS S32100/1.4541;

321H/UNS S32109;

347/UNS S34700/1.4550;

347H/UNS S34709/1.4912;

348/UNS S34800;

Alloy steel:

ASTM A694 F42/F46/F48/F50/F52/F56/F60/F65/F70;

ASTM A182 F5a/F5/F9/F11/F12/F22/F91;

ASTM A350 LF1/LF2/LF3;

Duplex steel:

ASTM A182 F51/S31803/1.4462;

ASTM A182 F53/S2507/S32750/1.4401;

ASTM A182 F55/S32760/1.4501/Zeron 100;


ASTM A182 F44/S31254/254SMO/1.4547;





Nickel alloy steel:

Alloy 200/Nickel 200/NO2200/2.4066/ASTM B366 WPN;

Alloy 201/Nickel 201/NO2201/2.4068/ASTM B366 WPNL;

Alloy 400/Monel 400/NO4400/NS111/2.4360/ASTM B366 WPNC;

Alloy K-500/Monel K-500/NO5500/2.475;

Alloy 600/Inconel 600/NO6600/NS333/2.4816;

Alloy 601/Inconel 601/NO6001/2.4851;

Alloy 625/Inconel 625/NO6625/NS336/2.4856;

Alloy 718/Inconel 718/NO7718/GH169/GH4169/2.4668;

Alloy 800/Incoloy 800/NO8800/1.4876;

Alloy 800H/Incoloy 800H/NO8810/1.4958;

Alloy 800HT/Incoloy 800HT/NO8811/1.4959;

Alloy 825/Incoloy 825/NO8825/2.4858/NS142;

Alloy 925/Incoloy 925/NO9925;

Hastelloy C/Alloy C/NO6003/2.4869/NS333;

Alloy C-276/Hastelloy C-276/N10276/2.4819;

Alloy C-4/Hastelloy C-4/NO6455/NS335/2.4610;

Alloy C-22/Hastelloy C-22/NO6022/2.4602;

Alloy C-2000/Hastelloy C-2000/NO6200/2.4675;

Alloy B/Hastelloy B/NS321/N10001;

Alloy B-2/Hastelloy B-2/N10665/NS322/2.4617;

Alloy B-3/Hastelloy B-3/N10675/2.4600;

Alloy X/Hastelloy X/NO6002/2.4665;

Alloy G-30/Hastelloy G-30/NO6030/2.4603;

Alloy X-750/Inconel X-750/NO7750/GH145/2.4669;

Alloy 20/Carpenter 20Cb3/NO8020/NS312/2.4660;

Alloy 31/NO8031/1.4562;

Alloy 901/NO9901/1.4898;

Incoloy 25-6Mo/NO8926/1.4529/Incoloy 926/Alloy 926;

Inconel 783/UNS R30783;

NAS 254NM/NO8367;

Monel 30C

Nimonic 80A/Nickel Alloy 80a/UNS N07080/NA20/2.4631/2.4952

Nimonic 263/NO7263

Nimonic 90/UNS NO7090;

Incoloy 907/GH907;

Nitronic 60/Alloy 218/UNS S21800

This flange is circumferentially welded into the systemat its neck which means that the integrity of the buttwelded area can be easily examined by radiography. The bores of both pipe and flange match, which Reduces turbulence and erosion inside the pipeline. The weld neck is therefore favoured in critical applications

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